Paper · 2024 · Journal of Plant Nutrition

Multi-nutrient and humic acid foliar applications enhance green gram growth and yield on alkaline soil by increasing nutrient use and physiological activity

Kannan Pandian; Kaleeswari Kuttralingam; Vijayakumar Mathiyazhagan; et al.

10
claims
17
verbatim quotes
3
citations
2
research areas
—
Not open access

Abstract

Widespread multi-nutrient deficiency and water stress are the major yield-limiting factors in alkaline soil. Inorganic nutrient application in alkaline soil is ineffective for green gram due to the antagonistic interaction with alkalinity. In this setting, a balanced supply of foliar nutrients is a viable strategy to improve green gram nutrient utility and productivity in an alkaline environment. Field experiments were conducted for two consecutive years during Rabi 2019 and 2020. Water-soluble NPK (2%), 1% multi-micronutrient and 1% humic acid foliar nutrients in five combinations were applied at 30 and 45 days after sowing. The effect of multi-nutrient and humic acid foliar spray on green gram growth, physiology, nutrient accumulation, and yield were measured by adopting the standard protocol. Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid. The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake. Foliar application of multi-nutrients reduces nutrient stress and aids in the promotion of green gram crop growth and production in alkaline soil.

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Claims 10

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar application of water-soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid increased green gram seed yield by 20 per cent.

Treatment
application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide1
Outcome
seed yielde1
Direction
increasede1
Value
20 per cente1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram leaf area to 428 cm2 plant−1.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
leaf areae1
Direction
augmentede1
Value
428 cm2 plant−1e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“augmented leaf area (428 cm2 plant−1)”

✓ located verbatim in the source · abstract, characters 987–1024 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram dry matter production to 2087 kg ha−1.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
dry matter productione1
Direction
augmentede1
Value
2087 kg ha−1e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram SPAD value to 46.4.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
SPAD valuee1
Direction
augmentede1
Value
46.4e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram nitrogen accumulation to 36.6 kg ha−1.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
nitrogene1
Direction
augmentede1
Value
36.6 kg ha−1e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram phosphorous accumulation to 4.9 kg ha−1.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
phosphorouse1
Direction
augmentede1
Value
4.9 kg ha−1e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram potassium accumulation to 46.5 kg ha−1.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
potassiume1
Direction
augmentede1
Value
46.5 kg ha−1e1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

The same treatments increased green gram micronutrient uptake.

Treatment
water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acide2
Outcome
micronutrients uptakee1
Direction
augmentede1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“The same set of treatments augmented leaf area (428 cm2 plant−1), dry matter production (2087 kg ha−1), SPAD value (46.4), nitrogen (36.6 kg ha−1), phosphorous (4.9 kg ha−1), potassium (46.5 kg ha−1), and micronutrients uptake”

✓ located verbatim in the source · abstract, characters 960–1186 · show in text ↑
e2

“Green gram seed yield increased by 20 per cent on the application of water soluble fertilizers 2% and liquid multi-micronutrients 1% with 1% humic acid”

✓ located verbatim in the source · abstract, characters 807–958 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Foliar application of multi-nutrients reduces nutrient stress in green gram grown on alkaline soil, according to the authors.

Treatment
Foliar application of multi-nutrientse1
Outcome
nutrient stresse1
Direction
reducese1
Setting
alkaline soile1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Foliar application of multi-nutrients reduces nutrient stress and aids in the promotion of green gram crop growth and production in alkaline soil”

✓ located verbatim in the source · abstract, characters 1188–1333 · show in text ↑
Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Foliar application of multi-nutrients promotes green gram crop growth and production in alkaline soil, according to the authors.

Treatment
Foliar application of multi-nutrientse1
Outcome
crop growth and productione1
Direction
promotione1
Setting
alkaline soile1

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Vigna radiata var. radiata
Vigna radiata var. radiata · Taxon · picture of the speciesIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e1

“Foliar application of multi-nutrients reduces nutrient stress and aids in the promotion of green gram crop growth and production in alkaline soil”

✓ located verbatim in the source · abstract, characters 1188–1333 · show in text ↑

other · physiology: pigments · Vigna radiata (mung bean)Positive and negative results

7 papers: 6 positive, 1 negative or no effect

5 papers in the same direction as this paper · 1 in the opposite direction

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other · yield · Vigna radiata (mung bean)Positive and negative results

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fertilization · nutrient: content · Vigna radiata (mung bean)Positive and negative results

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fertilization · growth · Vigna radiata (mung bean)Positive and negative results

145 papers: 140 positive, 5 negative or no effect

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application · yield · Vigna radiata (mung bean)Positive and negative results

216 papers: 209 positive, 7 negative or no effect

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fertilization · yield · Vigna radiata (mung bean)Positive and negative results

375 papers: 364 positive, 11 negative or no effect

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other · nutrient: content · Vigna radiata (mung bean)Results agree

10 papers: 10 positive, 0 negative or no effect

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other · growth · Vigna radiata (mung bean)Results agree

21 papers: 21 positive, 0 negative or no effect

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8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.